`encyclopediaofmath.org`

DNSSEC	⚠️ Not signed
A	2600:1901:0:d14c::^{🇺🇸 Google2600:1901::/32}
A	34.96.94.55^{🇺🇸 Google34.96.0.0/14}
NS	`ns1.dnsimple.com` ⭐
		A	2400:cb00:2049:1::a29f:1804^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns1.dnsimple.com`
		A	162.159.24.4^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dnsimple.com`
NS	`ns2.dnsimple-edge.net`
		A	2620:111:8005::53^{🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route}
		A	199.247.153.53^{🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route}
NS	`ns3.dnsimple.com`
		A	2400:cb00:2049:1::a29f:1a04^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns3.dnsimple.com`
		A	162.159.26.4^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.dnsimple.com`
NS	`ns4.dnsimple-edge.org`
		A	2620:111:8007::53^{🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route}
		A	199.247.155.53^{🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route}
TXT	`v=spf1 ip4:159.183.202.45 ~all`
SOA	`ns1.dnsimple.com`admin@dnsimple.com serial=1589809939

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774561486

rank #105223 globally
rank #8933 in the tld
WOT: SAFE (74/100)
📈 Tranco rank: #308,956

Subdomains

www.encyclopediaofmath.org

Same first word

encyclopediaofmath.com

encyclopediaofmath.org

DNS History

10 records (6 active, 4 former)

○NSdns1.springer.com2015-08-13 → 2016-05-22 · 3 obs

● 2015-08-13 18:31:44
● 2016-05-22 00:45:12
○ 2026-03-26 22:21:40

○NSdns2.springer.com2015-08-13 → 2016-05-22 · 3 obs

● 2015-08-13 18:31:44
● 2016-05-22 00:45:12
○ 2026-03-26 22:21:40

○NSdns4.springer.com2015-08-13 → 2016-05-22 · 3 obs

● 2015-08-13 18:31:44
● 2016-05-22 00:45:12
○ 2026-03-26 22:21:40

●NSns1.dnsimple.com2026-03-26 → 2026-03-26 · 2 obs

○ 2016-05-22 00:45:12
● 2026-03-26 22:21:40

●NSns2.dnsimple-edge.net2026-03-26 → 2026-03-26 · 2 obs

○ 2016-05-22 00:45:12
● 2026-03-26 22:21:40

●NSns3.dnsimple.com2026-03-26 → 2026-03-26 · 2 obs

○ 2016-05-22 00:45:12
● 2026-03-26 22:21:40

●NSns4.dnsimple-edge.org2026-03-26 → 2026-03-26 · 2 obs

○ 2016-05-22 00:45:12
● 2026-03-26 22:21:40

●A2600:1901:0:d14c::2026-03-26 → 2026-03-26 · 2 obs

○ 2016-05-22 00:45:12
● 2026-03-26 22:21:40

●A34.96.94.552026-03-26 → 2026-03-26 · 2 obs

○ 2016-05-22 00:45:12
● 2026-03-26 22:21:40

○A80.242.138.722015-08-13 → 2016-05-22 · 3 obs

● 2015-08-13 18:31:44
● 2016-05-22 00:45:12
○ 2026-03-26 22:21:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
encyclopediaofmath.org	ns3.dnsimple.com, ns1.dnsimple.com, ns4.dnsimple-edge.org, ns2.dnsimple-edge.net	2 records

✅ Authoritative Response

Server:199.247.153.53

NS records: ns3.dnsimple.com, ns1.dnsimple.com, ns4.dnsimple-edge.org, ns2.dnsimple-edge.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for encyclopediaofmath.org (unsigned zone)

⏱️ Timing

Total: 749ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`34.96.94.55`
AAAA	1	`2600:1901:0:d14c::`
NS	4	`ns1.dnsimple.com, ns2.dnsimple-edge.net...`
TXT	1	`v=spf1 ip4:159.183.202.45 ~all`
SOA	1	`ns1.dnsimple.com admin.dnsimple.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns4.dnsimple-edge.org, ns4.dnsimple-edge.org)

Analysis

Hierarchy

encyclopediaofmath.org is a parent of www.encyclopediaofmath.org.

IP Addresses

encyclopediaofmath.org points to two IP numbers: 2600:1901:0:d14c:: and 34.96.94.55.

Other host names such as 55.94.96.34.bc.googleusercontent.com and lb-global.ems.press share IP numbers with encyclopediaofmath.org.

Name Servers

encyclopediaofmath.org is delegated to four name servers: ns1.dnsimple.com, ns3.dnsimple.com, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org.

At least part of the name servers for encyclopediaofmath.org are shared with other domains, for instance integritybaptistchurch.org, savvyemailmarketing.com, katochsingel.com, mljobs.com and femme-fatal.com.

These name servers are commonly used alongside ns2.dnsimple.com and ns4.dnsimple.com.

Host names with two IP numbers:

ns1.dnsimple.com points to: 2400:cb00:2049:1::a29f:1804 and 162.159.24.4

ns3.dnsimple.com points to: 2400:cb00:2049:1::a29f:1a04 and 162.159.26.4

ns2.dnsimple-edge.net points to: 2620:111:8005::53 and 199.247.153.53

ns4.dnsimple-edge.org points to: 2620:111:8007::53 and 199.247.155.53

encyclopediaofmath.org - robtex.com